body{
    background-image: url("../images/login/login_bg.png");
}
div{
    display: block;
}
.login_top{
    width: 100%;
    height: 104px;
    padding-left: 15%;
    padding-top: 30px;
    padding-bottom: 30px;
}
.login_frame{
    width: 723px;
    height: 540px;
    background-image: url("../images/login/login_frame.png");
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.login_frame_center{
    width: 402px;
    height: auto;
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%,-50%);
}

.login_user,.login_pwd{
    width: 100%;
    height: 52px;
    font-size: 18px;
    text-indent: 60px;
    color: #686868;
    border: none;
    outline: none;
    box-sizing: border-box;
}

.login_user{
    margin-bottom: 27px;
    background-image: url("../images/login/login_input_user.png");


}
.login_pwd{
    margin-bottom: 54px;
    background-image: url("../images/login/login_input_pwd.png");
}

.login_submit{
    width: 346px;
    height: 52px;
    border: none;
    font-size: 20px;
    color: white;
    margin: 0px 26px;
    background-image: url("../images/login/login_submit.png");
}

.login_submit:active{
    background-image: url("../images/login/login_submit_press.png");
}

.login_bottom{
    position: absolute;
    bottom: 5%;
    left: 50%;
    color: #dbdbdb;
    font-size: 18px;
    transform: translate(-50%,-50%);
}